Your Mailspring ID is missing required fields.

This error message appears when Mailspring was unable to save your Mailspring ID password to your system keychain or keyring.

Linux:

Make sure you've installed `libsecret` through your package manager. Then quit Mailspring, reset its settings by deleting $XDG_CONFIG_HOME/Mailspring or ~/.config/Mailspring and re-launch the application.

Mac:

Quit Mailspring and delete it's data in `~/Library/Application Support/Mailspring`. This folder may be hidden on your system - the easiest way to delete it is to open Terminal.app and type: